Ditcher

Details Ditcher Ditcher

1974-08-23

1976-11-09

Goodman, Philip

Motor vehicles

Special driving device

Portable track

280112R, B62D 5500

Patent

active

039905292

ABSTRACT:
In a ditcher having a digging wheel which is mounted from a suspension frame carried by a crawler tractor, means are provided for tilting the wheel frame relative to the main frame of the tractor so that the wheel may be held vertical, even when the machine is operating on a side hill. Hydraulic cylinder means are also provided to exert a downward force on the wheel frame to press the wheel into hard ground and hold it in the lowered position.

REFERENCES:
patent: 3099098 (1963-07-01), Davis
patent: 3184867 (1965-05-01), Symmank
patent: 3189116 (1965-06-01), Steffen
patent: 3216736 (1965-11-01), Thomas
patent: 3289779 (1966-12-01), Feucht
patent: 3430790 (1969-03-01), Beltrami
patent: 3792748 (1974-02-01), Reigier
patent: 3820616 (1974-06-01), Juergens

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